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<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="./OL_SDK/include-openlayers-local.js"></script>
  <script src="./libs/gaode.js"></script>
</head>

<body>
  <div id="map">
  </div>
  <script>
    var map = new ol.Map({
      target: "map",
      layers: [gaode],
      view: new ol.View({
        projection: 'EPSG:4326',
        center: [114.30, 30.50],
        zoom: 4
      })
    })
    /* 标注 -- 点要素 */
    /* Feature */
    const point = new ol.Feature({
      geometry: new ol.geom.Point([114.30, 30.50])
    })
    /* Style-Canvas
     */
    const icon = new ol.style.Style({
      /**{olx.style.IconOptions}类型*/
      image: new ol.style.Icon({
        anchor: [0.5, 0.5],
        anchorOrigin: 'top-right',
        anchorXUnits: 'fraction',
        anchorYUnits: 'pixels',
        offsetOrigin: 'top-right',
        // offset:[0,10],
        //图标缩放比例
        scale: 0.5,
        //透明度
        opacity: 0.75,
        //图标的url
        src: './images/位置.png',
      }),
    })
    point.setStyle(icon)
    var source = new ol.source.Vector({

    })
    source.addFeature(point)
    var layer = new ol.layer.Vector({
      source
    })
    map.addLayer(layer);
  </script>
</body>

</html>